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  2. Leukocyte extravasation - Wikipedia

    en.wikipedia.org/wiki/Leukocyte_extravasation

    Neutrophils extravasate from blood vessels to the site of tissue injury or infection during the innate immune response.. In immunology, leukocyte extravasation (also commonly known as leukocyte adhesion cascade or diapedesis – the passage of cells through the intact vessel wall) is the movement of leukocytes (white blood cells) out of the circulatory system (extravasation) and towards the ...

  3. Neutrophil - Wikipedia

    en.wikipedia.org/wiki/Neutrophil

    Neutrophils may be subdivided into segmented neutrophils and banded neutrophils (or bands). They form part of the polymorphonuclear cells family (PMNs) together with basophils and eosinophils. [3] [4] [5] The name neutrophil derives from staining characteristics on hematoxylin and eosin histological or cytological preparations.

  4. Phagocyte - Wikipedia

    en.wikipedia.org/wiki/Phagocyte

    Neutrophils travel across epithelial cell-lined organs to sites of infection, and although this is an important component of fighting infection, the migration itself can result in disease-like symptoms. [68] During an infection, millions of neutrophils are recruited from the blood, but they die after a few days. [69]

  5. Inflammation - Wikipedia

    en.wikipedia.org/wiki/Inflammation

    Neutrophils migrate from blood vessels to the infected tissue via chemotaxis, where they remove pathogens through phagocytosis and degranulation Inflammation is a process by which the body's white blood cells and substances they produce protect us from infection with foreign organisms, such as bacteria and viruses. The (phagocytes) white blood ...

  6. Phagocytosis - Wikipedia

    en.wikipedia.org/wiki/Phagocytosis

    Neutrophils, macrophages, monocytes, dendritic cells, osteoclasts and eosinophils can be classified as professional phagocytes. [10] The first three have the greatest role in immune response to most infections. [11] The role of neutrophils is patrolling the bloodstream and rapid migration to the tissues in large numbers only in case of ...

  7. Immune system - Wikipedia

    en.wikipedia.org/wiki/Immune_system

    Neutrophils are normally found in the bloodstream and are the most abundant type of phagocyte, representing 50% to 60% of total circulating leukocytes. [35] During the acute phase of inflammation , neutrophils migrate toward the site of inflammation in a process called chemotaxis and are usually the first cells to arrive at the scene of infection.

  8. Neutrophil swarming - Wikipedia

    en.wikipedia.org/wiki/Neutrophil_swarming

    An example of neutrophil swarming behavior by neutrophil extracellular traps. The neutrophil (green) surround branches of the Aspergillus Fumigatus (light blue) in infected lung tissue in a swarming manner and transport the branches to the neutrophil aggregates on the left. The dark blue color indicates lung tissue and the red color indicates DNA.

  9. Nonspecific immune cell - Wikipedia

    en.wikipedia.org/wiki/Nonspecific_immune_cell

    Neutrophils contain neutrophil extracellular traps (NETs), composed of granule and nuclear constituents, which play a role in breaking up and killing bacteria that has invaded the immune system. NETs, composed of activated neutrophils, are fragile structures consisting of smooth stretches and globular domains, as shown via high-resolution ...